Jeff Ma or Jeffrey Ma was a member of the MIT Blackjack Team in the mid-1990s. He graduated from Phillips Exeter Academy. He attended MIT where he graduated with a degree in mechanical engineering in 1994. He was the basis for the main character of the book Bringing Down the House (where he was renamed Kevin Lewis) and the film 21 (where he was renamed Ben Campbell). Ma also co-founded PROTRADE (a sports stock market website, that has since been shut down) and does consulting work for professional sports teams including the Portland Trail Blazers and San Francisco 49ers. He cofounded Citizen Sports, a sport-information website and iPhone application based in San Francisco, which was acquired by Yahoo! in May 2010.
His first book, The House Advantage: Playing the Odds to Win Big In Business, was published in July 2010 by Palgrave Macmillan. Ma is a regular speaker at corporate events and conferences where he talks about how to use data and analytics to make better business decisions.
Ma makes a cameo in 21 as a blackjack dealer named Jeffery at the Planet Hollywood Resort and Casino. Jim Sturgess's character, Ben Campbell, refers to Jeffrey as, "my brother from another mother."
Ma joined ESPN in November 2014 as their Predictive Analytics Expert. Per this arrangement, he does weekly TV appearances on SportsCenter and contributes as a writer on ESPN.com.
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- Jason Kincaid (2010-03-17). "Yahoo Acquires Citizen Sports". TechCrunch. Retrieved 2010-03-17.
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- IMDB (...). "IMDB". . Retrieved 2008-04-30. Check date values in:
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